Gwee, Chyi Yin; Christidis, Les; Eaton, James A.; Norman, Janette A.; Trainor, Colin R.; Verbelen, Philippe; Rheindt, Frank E. (2017). Bioacoustic and multi-locus DNA data of Ninox owls support high incidence of extinction and recolonisation on small, low-lying islands across Wallacea. Molecular Phylogenetics and Evolution. 109: 246—258. doi:10.1016/j.ympev.2016.12.024. ISSN1055-7903.
Gill, Frank; Donsker, David, ред. (2022). Owls. World Bird List Version 12.2. International Ornithologists' Union. Процитовано 30 листопада 2022.
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Gwee, Chyi Yin; Christidis, Les; Eaton, James A.; Norman, Janette A.; Trainor, Colin R.; Verbelen, Philippe; Rheindt, Frank E. (2017). Bioacoustic and multi-locus DNA data of Ninox owls support high incidence of extinction and recolonisation on small, low-lying islands across Wallacea. Molecular Phylogenetics and Evolution. 109: 246—258. doi:10.1016/j.ympev.2016.12.024. ISSN1055-7903.